Fuel tank



2Q, il g, O PARSON L725537 FUEL TANK Filed July 18, 1927 In ventor Oss/an Pax aon By M/ Attorney Patented Aug. 20, 1929...

UNITED STATES OSSIAN PAIBSON, or SEATTLE, wnsnme'rom assrenon. E ONE-HALF 'ro o'r'ro OLSON,

PATIENT OFFICE.

or SEATTLE, WASHINGTON.

FUEL TANK.

Application filed July 18,

other similar device, by preventing access ofsuch a device to the contents of the tank. In carrying out my invention I locate the theft-preventing device of the tank within the filling opening of the nipple of thetank and preferably weld the device to the tank in order that the device may be firmly and rigidly secured to the face of the tank and form an integral part thereof.

The invention consists in certain novel combinations of parts as will hereinafter be more fully pointed out. In the accompanying drawings I have illustrated the physical embodiment of my invention wherein the parts are combined and arranged accordin to the best mode I have thusfar devise for the practical application of the principlesof myinvention. I

Figure 1 is a sectional detail view of a portion of a tank with the theft-preventing device of my invention applied thereto.

Figure 2 is an enlarged sectional view at line 2+2 of Figure 1 Figure 3 is'a sectional view at line 3-3 of Fi ure 1.

11 carrying out my invention I utilize any 40 of thewell known types of gasoline tanks as 1 which is provided with a'fillingope-ning and threaded nipple 2 for the cap 3 that is fashioned with the usual vent opening 4.

disclosed in the drawings I utilize a double In the preferred form of my invention as 1927. Serial No. 206,580.

outer slotted wall' 5 and an inner slotted wall 6, the slots of the walls being arranged in staggered positions so that a slot of one wall is on a radial line with a solid portion of the other wall for the purpose of preventing the insertion or introduction of a siphon nozzle, or other device, through the walls of the cage.

The outer vessel is fashioned-with a perforated or foraminous bottom 7 and the two walls are joined at the top by means of an annular, horizontal attaching flange 8 that is welded or soldered at S to the inner face of the tank, or the cage may be secured thereto in any other suitable manner. The

bottom of the inner vessel as 9 is also pen,

forated in order that no material obstruction will be offered to the gasoline as the tank is being filled in usual manner with the fuel V supply. I

If desired a filtering fabric may be placed within the cage when the gasoline is being poured therein to strain orfilter the gasoline, and of course the fabric is filling operation.

removed after the The double-walled cylindrical cage" as thus provided is used as an integral part "of the tank, and iseffective in the performance of its required functions in preventing the introductlon or insertion of any article that could be used to drain or draw off the contents of the tank.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent is-- The combination with a tank having a filling opening, of an integral, double walled cage comprising spaced inner and outer slotted vessels, aperforated bottom for. the outer vessel, a perforated bottom for the inner vessel spaced above the bottom for the outer vessel, and an annular, imperforate top portion joining the two vessels and welded to the face of the tank.

In testimony whereof I aflix my signature.

- OSSIAN PARSON. 

